:root{color-scheme:dark;--bg:#101312;--surface:#171b19;--surface-2:#1d221f;--line:#343c37;--text:#f4f6f4;--muted:#aeb8b1;--green:#68c58b;--green-dark:#1d7040;--red:#e75b44;--gold:#e3ba68;--danger:#ff7d69}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:15px/1.65 "Microsoft YaHei","PingFang SC",sans-serif;letter-spacing:0}
button,input{font:inherit;letter-spacing:0}
button,a{touch-action:manipulation}
a{color:inherit}
button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
[hidden]{display:none!important}
.topbar{height:68px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#121513}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:850}.brand img{display:block}.brand b{color:var(--red)}
.topbar-actions{display:flex;align-items:center;gap:18px;font-size:13px}.topbar-actions a{color:#d9e0db;text-decoration:none}.topbar-actions a:hover{color:var(--green)}.page-name{color:var(--muted)}
main{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:56px 0 72px}
.notice{position:sticky;top:12px;z-index:5;margin:0 0 20px;padding:12px 15px;border:1px solid var(--line);border-left:3px solid var(--green);background:#18231c;color:#dce8df;border-radius:4px}
.notice.error{border-left-color:var(--danger);background:#291917;color:#ffe1dc}
.auth-layout{min-height:620px;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,480px);gap:80px;align-items:center}
.auth-context{max-width:510px}.eyebrow,.section-index{margin:0 0 10px;color:var(--gold);font:700 12px/1.4 Consolas,"Microsoft YaHei",sans-serif;text-transform:uppercase}
h1,h2{margin:0;line-height:1.3;letter-spacing:0}h1{font-size:38px}h2{font-size:25px}
.auth-context>p:not(.eyebrow){margin:18px 0;color:var(--muted);font-size:16px}
.steps{list-style:none;margin:36px 0 0;padding:0;border-top:1px solid var(--line)}.steps li{display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);font-weight:700}.steps span{color:var(--green);font:12px Consolas,monospace}
.auth-panel{padding:28px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.tabs{display:grid;grid-template-columns:1fr 1fr;margin-bottom:25px;border-bottom:1px solid var(--line)}.tabs button{min-height:44px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);cursor:pointer}.tabs button[aria-selected="true"]{border-color:var(--green);color:var(--text);font-weight:800}
form{display:grid;gap:10px}label{margin-top:7px;color:#dfe5e1;font-weight:700;font-size:13px}input{width:100%;min-height:46px;padding:10px 12px;border:1px solid #465049;border-radius:4px;background:#0e1110;color:var(--text)}input:focus{border-color:var(--green)}
#username-field{display:grid;gap:10px}
.field-note,.verification-target{margin:0 0 7px;color:var(--muted);font-size:12px}.verification-target strong{color:var(--text)}.form-purpose{margin:0 0 4px;color:var(--green);font-weight:800}
button{min-height:42px;padding:9px 16px;border:1px solid transparent;border-radius:4px;cursor:pointer;font-weight:750}.primary{margin-top:12px;background:var(--green-dark);border-color:#479d65;color:white}.primary:hover{background:#26824d}.primary:disabled,.secondary:disabled{cursor:not-allowed;opacity:.48}.secondary{background:transparent;border-color:#4a554e;color:#d9e0db}.secondary:hover{border-color:var(--green);color:white}.text-button{background:transparent;color:var(--muted);font-weight:600}.text-button:hover{color:white}
.account-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:30px;border-bottom:1px solid var(--line)}.account-email{margin:8px 0 0;color:var(--muted)}.account-vip-status{margin:3px 0 0;color:var(--gold);font-size:13px}
.payment-success{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.9fr) auto;gap:28px;align-items:center;margin:28px 0 0;padding:24px;border:1px solid #3f7852;border-left:4px solid var(--green);border-radius:6px;background:#152019}.payment-success h2{font-size:23px}.payment-success p{margin:7px 0 0;color:#c5d4c9}.success-kicker{color:var(--green)!important;font:800 12px/1.4 Consolas,"Microsoft YaHei",sans-serif;text-transform:uppercase}.success-facts,.member-facts{margin:0;display:grid;gap:12px}.success-facts{grid-template-columns:1fr 1fr}.success-facts div,.member-facts div{min-width:0}.success-facts dt,.member-facts dt{color:var(--muted);font-size:11px}.success-facts dd,.member-facts dd{margin:2px 0 0;color:var(--text);font-weight:800}.success-actions{display:grid;gap:8px;min-width:148px}.success-actions .primary{margin:0}
.member-band{display:grid;grid-template-columns:minmax(0,.85fr) minmax(420px,1.15fr);gap:60px;padding:40px 0;border-bottom:1px solid var(--line)}.member-title-row{display:flex;align-items:center;gap:12px}.member-badge{display:inline-flex;align-items:center;min-height:26px;padding:3px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px;font-weight:800}.member-badge.active{border-color:#3f7852;background:#152019;color:#9ce5b4}.member-plan-note{margin:9px 0 21px;color:var(--gold);font-size:13px}.member-facts{grid-template-columns:1fr 1fr}.member-facts div:last-child{grid-column:1/-1}.member-benefits{align-self:start;padding-left:28px;border-left:1px solid var(--line)}.member-benefits h3{margin:0 0 12px;font-size:15px}.member-benefits ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;margin:0;padding:0;list-style:none}.member-benefits li{position:relative;padding-left:16px;color:#dfe5e1;font-size:13px}.member-benefits li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--green)}.member-benefits>p{margin:14px 0 0;color:var(--muted);font-size:11px}.member-benefits.locked{opacity:.62}.member-benefits.locked li::before{background:var(--muted)}
.binding-band{display:grid;grid-template-columns:1fr minmax(330px,460px);gap:60px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}.binding-band p{color:var(--muted);margin:10px 0 0}.binding-action{display:flex;justify-content:flex-end}.binding-action>.primary{margin:0}.pairing-result{width:100%;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.pairing-result code{min-height:54px;display:flex;align-items:center;padding:10px 14px;border:1px solid var(--green);border-radius:4px;background:#0e1711;color:#a6efbc;font:700 20px/1 Consolas,monospace;white-space:nowrap}.pairing-result p{grid-column:1/-1;margin:0;text-align:right;font-size:12px}
.referral-band{display:grid;grid-template-columns:1fr minmax(330px,460px);gap:60px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}.referral-band p{color:var(--muted);margin:10px 0 0}.referral-action{min-width:0}.referral-action>button{width:100%}#referral-result{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}#referral-result label{grid-column:1/-1;margin:0}#referral-url{min-width:0}#copy-referral{min-height:46px}
.referral-qr-link{grid-column:1/-1;display:block;width:192px;max-width:100%;padding:8px;background:#fff;border-radius:4px}.referral-qr-link img{display:block;width:100%;height:auto;aspect-ratio:1}
.referral-download{grid-column:1/-1;width:max-content;color:var(--green);font-size:13px;text-decoration:underline;text-underline-offset:3px}
.voucher-band{display:grid;grid-template-columns:1fr minmax(330px,460px);gap:60px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}.voucher-band p{color:var(--muted);margin:10px 0 0}.voucher-form{min-width:0}.voucher-form label{display:block;margin-bottom:8px}.voucher-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.voucher-controls input{min-width:0;text-transform:uppercase;letter-spacing:0}.voucher-controls .primary{margin:0;min-width:84px}.voucher-form #voucher-status{min-height:20px;font-size:12px}.voucher-form #voucher-status.error{color:#ff9f91}
.purchase-section,.orders-section{padding:48px 0 0}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.section-heading>p{max-width:590px;margin:0;color:var(--muted)}.section-heading h2{margin-bottom:7px}.plan-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.plan{position:relative;min-height:230px;padding:23px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.plan.featured{border-color:#987744;background:var(--surface-2)}.plan h3{margin:0 0 7px;font-size:19px}.plan .duration{color:var(--muted);font-size:13px}.plan .price{margin:22px 0 18px;font-size:30px;font-weight:850}.plan .price small{font-size:13px;color:var(--muted);font-weight:500}.plan button{width:100%}.plan-badge{position:absolute;top:18px;right:18px;color:var(--gold);font-size:11px}
.orders-heading{align-items:center}.orders-heading .secondary{min-width:76px}.table-wrap{border:1px solid var(--line);border-radius:6px;overflow:auto;background:var(--surface)}table{width:100%;border-collapse:collapse;min-width:920px}th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:13px}th{color:var(--muted);font-weight:650;background:#121513}td{color:#e7ece8}.order-paid{color:var(--green)}.order-pending{color:var(--gold)}.order-cancelled{color:var(--muted)}.order-actions{min-width:190px;white-space:nowrap}.order-action{min-height:34px;padding:6px 10px;font-size:12px;white-space:nowrap}.order-action.primary{margin:0}.order-action+.order-action{margin-left:8px}.empty-state{margin:0;padding:34px;text-align:center;color:var(--muted)}
.account-help{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:44px;padding:25px 0;border-top:1px solid var(--line)}.account-help h2{font-size:18px}.account-help p{margin:6px 0 0;color:var(--muted);font-size:13px}.account-help a{flex:none;color:var(--green);font-size:13px;font-weight:700;text-decoration:none}.account-help a:hover{text-decoration:underline}
footer{width:min(1120px,calc(100% - 40px));margin:auto;padding:24px 0 34px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}footer p{margin:0}footer nav{display:flex;flex-wrap:wrap;gap:8px 18px}footer a:hover{color:white}
@media(max-width:800px){main{width:min(100% - 28px,620px);padding-top:30px}.topbar{height:60px;padding:0 14px}.auth-layout{min-height:0;grid-template-columns:1fr;gap:28px}.auth-context{max-width:none}.auth-context h1,.account-heading h1{font-size:30px}.steps{margin-top:24px}.auth-panel{padding:20px}.account-heading{align-items:center}.payment-success{grid-template-columns:1fr;gap:20px;padding:20px}.success-actions{grid-template-columns:1fr 1fr}.member-band,.binding-band{grid-template-columns:1fr;gap:28px}.member-benefits{padding:24px 0 0;border-left:0;border-top:1px solid var(--line)}.binding-action{justify-content:stretch}.binding-action>.primary{width:100%}.plan-list{grid-template-columns:1fr}.plan{min-height:0}.section-heading{display:block}.section-heading>p{margin-top:8px}.orders-heading{display:flex}footer{display:block}footer a{display:inline-block;margin-top:10px}}
@media(max-width:420px){.page-name{display:none}.pairing-result{grid-template-columns:1fr}.pairing-result code{font-size:17px;overflow-wrap:anywhere;white-space:normal}.pairing-result .secondary{width:100%}.pairing-result p{grid-column:auto;text-align:left}.account-heading{display:block}.account-heading .secondary{margin-top:16px;width:100%}}
@media(max-width:520px){.success-facts,.member-facts,.member-benefits ul,.success-actions{grid-template-columns:1fr}.member-facts div:last-child{grid-column:auto}.member-title-row{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:800px){.referral-band{grid-template-columns:1fr;gap:24px}}
@media(max-width:520px){#referral-result{grid-template-columns:1fr}}
@media(max-width:800px){.voucher-band{grid-template-columns:1fr;gap:24px}}
@media(max-width:420px){.voucher-controls{grid-template-columns:1fr}.voucher-controls .primary{width:100%}}
@media(max-width:600px){.account-help{display:block}.account-help a{display:inline-block;margin-top:12px}}
.binding-action{flex-direction:column;gap:12px;align-items:stretch}#binding-guide{font-size:13px;line-height:1.8}#refresh-account{white-space:normal}